CN105345976A - Epoxy pouring die with adjustable pouring height - Google Patents
Epoxy pouring die with adjustable pouring height Download PDFInfo
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- CN105345976A CN105345976A CN201510779117.9A CN201510779117A CN105345976A CN 105345976 A CN105345976 A CN 105345976A CN 201510779117 A CN201510779117 A CN 201510779117A CN 105345976 A CN105345976 A CN 105345976A
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- threaded rod
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Abstract
The invention discloses an epoxy pouring die with the adjustable pouring height. The epoxy pouring die comprises a bottom plate, an inner die arranged on the bottom plate, an upper end cover arranged on the outer side wall of the inner die in a sleeving manner, an outer die arranged outside the inner die in a sleeving manner, and a pressing piece located above the outer die. Long threaded rods are arranged on the bottom plate. The tops of the long threaded rods are inserted into first through holes of the pressing piece. The long threaded rods are in threaded connection with upper nuts and lower nuts, and the upper nuts and the lower nuts clamp the pressing piece. The upper end cover is in threaded connection with short threaded rods. The tops of the short threaded rods are inserted into second through holes of the pressing piece. The short threaded rods are in threaded connection with upper nuts and lower nuts, and the upper nuts and the lower units clamp the pressing piece. Through cooperation of lifting of the pressing piece via the long threaded rods and the height adjustment on the upper end cover through the short threaded rods, the position of the upper end cover can be adjusted within a certain range at will so that the epoxy resin pouring height of various transformers in actual production can be achieved. After pouring is finished, a worker can conveniently dismount the single short threaded rod so as to remove epoxy resin attached to the short threaded rod, and therefore the single short threaded rod can effectively continue to be used.
Description
Technical field:
The present invention relates to transformer technology field, pour into a mould adjustable for height epoxy resin cast mould in particular to one.
Background technology:
At present, the demand of Large Copacity Cast Resin Dry-Type Transformer in power equipment market is increasing.The rigid mould of known Large Copacity Cast Resin Dry-Type Transformer.Along with improving constantly of enterprise's resin casting dry-type transformer technological and manufacturing level and production capacity, traditional rigid casting mold of resin casting dry-type transformer coil oneself be not suitable with the manufacturing of Large Copacity Cast Resin Dry-Type Transformer high-tension coil, its existence is high to the requirement of equipment, manufacture the process-cycle long, costly, take up an area the problems such as large, become the large bottleneck affecting each Transformer Manufacturing Enterprises and reduce costs, improve production capacity and benefit.
For solving the problems of the technologies described above, authorized announcement date on October 7th, 2009, the utility model of Authorization Notice No. CN201323132Y discloses a kind of Large Copacity Cast Resin Dry-Type Transformer thin plate mould, this kind of mould by inner mold, outer mold, press-fit frame and bottom plate is formed, be characterized in: inner mold and outer mold are thin plate mould, inner mold counterpart place is provided with press strip, and outer mold and outlet panel junction are provided with press strip, and internal mold and outer intermode are equipped with gas tank plate.Although this utility model has, structure simply, light is suitable for, the alternative good advantage of accessory, but, this kind of mould lacks upper end cover, shaping epoxy resin end face out-of-flatness on the transformer can be caused, and, the mould lacking upper end cover is in casting process, and the epoxy resin be in a liquid state in mould lacks the extruding of upper end cover lower surface, and final molding epoxy resin quality on the transformer can be caused not tight.In addition, the mould lacking upper end cover, in casting process, is difficult to avoid the impurity of surrounding to enter in the epoxy resin be in a liquid state, and then the effect of impact cast.Lack the epoxy resin casting mold authorized announcement date l day in July, 2009 for another example of upper end cover, a kind of pouring mold for stereo wound core resin insulated dry transformer disclosed in the utility model of Authorization Notice No. CN201266543Y.
For Cast Resin Dry-Type Transformer casting mold, enterprise reduces transformer manufacturing cost, raising production capacity and benefit to omit upper end cover use in a mold, causes the epoxy resin be in a liquid state in casting process to make final molding epoxy resin quality on the transformer not tight because lacking upper end cover lower surface to its extruding.In addition, the mould lacking upper end cover, in casting process, is difficult to avoid the impurity of surrounding to enter in the epoxy resin be in a liquid state, and then the effect of impact cast.And the mould lacking upper end cover causes shaping epoxy resin end face out-of-flatness on the transformer.
For solving the problems of the technologies described above, application number is that the application for a patent for invention of CN201410295257.4 discloses the adjustable for height epoxy resin cast mould of a kind of upper end cover, comprise base plate, external mold, internal mold, tap terminals mould, upper end cover, internal mold end face is installed with projecting part, projecting part offers through hole, threaded rod is inserted in through hole, threaded rod has been threaded nut, nut, lay respectively at the upper and lower of projecting part, the lower end of threaded rod is fixedly connected with upper end cover, and upper end cover to be sleeved on internal mold and can to make lifting action along the lateral surface of internal mold.By technique scheme, the mould of corresponding cast height need not be prepared because poured with epoxy resin height is different, saved production cost, improve production efficiency.
Summary of the invention:
Technical problem solved by the invention: application number is the adjustable for height epoxy resin cast mould of a kind of upper end cover disclosed in the application for a patent for invention of CN201410295257.4, after cast, can with the epoxy resin solidified on threaded rod, lower end due to many threaded rods is fixedly connected on upper end cover, therefore, after casting complete, staff removes the Comparision trouble of epoxy resin on threaded rod; Even if the annexation of threaded rod and upper end cover is changed to dismountable relation that is spirally connected, because threaded rod is plugged in the through hole of the projecting part be fixed on internal mold end face, the threaded rod with the epoxy resin solidified is difficult to take out from the through hole of projecting part and obtain single clear.
For solving the problems of the technologies described above, the invention provides following technical scheme:
The adjustable for height epoxy resin cast mould of a kind of cast, comprise horizontally disposed base plate, be vertically arranged on internal mold on base plate, be set on internal mold lateral wall and can along the upper end cover of internal mold lateral wall lifting, be set in internal mold periphery external mold, be positioned at casting die directly over external mold and internal mold; Described upper end cover, between internal mold and external mold, described upper end cover offers sprue gate;
Described base plate installs long threaded rod, and long threaded rod is vertically arranged, and the first through hole offered by described casting die, and the top of long threaded rod is plugged in the first through hole, and long threaded rod coordinates with the first via clearance; Described long threaded rod is spirally connected the first top nut and the first lower nut, and the first top nut and the first lower nut lay respectively at above and below the first through hole;
Described upper end cover is spirally connected short thread bar, and short thread bar is vertically arranged, and the second through hole offered by described casting die, and the top of short thread bar is plugged in the second through hole, and short thread bar coordinates with the second via clearance; Described short thread bar is spirally connected the second top nut and the second lower nut, and the second top nut and the second lower nut lay respectively at above and below the second through hole.
By technique scheme, the operation principle of the adjustable for height epoxy resin cast mould of cast of the present invention is as follows:
First, turn is positioned at the second top nut above casting die, second top nut moves up or down along short thread bar, because short thread bar and the second through hole are matched in clearance, short thread bar declines along the second through hole or rises, and short thread bar drives upper end cover decline along internal mold lateral surface or rise, upper end cover decline or when rising to precalculated position, turn is positioned at the second lower nut below casting die, and the position of fixing short thread bar moves up and down to limit it, so namely fixes the relative position of upper end cover and casting die.
Second, turn is positioned at the first top nut above casting die, first top nut moves up or down along long threaded rod, because long threaded rod and the first through hole are matched in clearance, casting die declines along long threaded rod or rises, casting die declines or when rising to precalculated position, turn is positioned at the first lower nut below casting die, with the relative position of fixing casting die and base plate.
Pass through technique scheme, long threaded rod coordinates the height of short thread pole pair upper end cover to adjust to the lifting of casting die, the position of upper end cover is adjusted arbitrarily in certain amplitude, to meet the poured with epoxy resin height of various transformer in actual production, so, possess the prerequisite of upper end cover at Cast Resin Dry-Type Transformer casting mold under, the mould of corresponding cast height need not be prepared because poured with epoxy resin height is different, greatly save production cost, improve production efficiency.Epoxy pouring mould lamps structure of the present invention is simple, highly versatile, and the casting quality of epoxy resin can improve while reducing transformer manufacturing cost, improving production capacity and benefit in enterprise.
By technique scheme, after cast terminates, staff is by unloading single short thread bar to remove on it epoxy resin of attachment with under type: the second top nut on staff's turn short thread bar, and the second top nut is departed from from the top of short thread bar and short thread bar; Afterwards, the first top nut on the long threaded rod of staff's turn, the first top nut is risen along long threaded rod; Afterwards, staff lifts casting die, and the second through hole of casting die and short thread bar are departed from; Afterwards, staff rotates short thread bar, and make short thread bar depart from upper end cover, so, staff can take off short thread bar by root, and clears up it; After cleaning terminates, short thread bar is screw-coupled on upper end cover by staff.By the way, staff can take off single short thread bar from epoxy resin cast mould easily and clear up fully it, can effectively continue to use.
Illustrate the one of base plate as the present invention, described base plate is provided with the outstanding ring raised up, and the base plate in described outstanding ring offers air-vent, and described internal mold is set on outstanding ring.In casting process, high temperature makes the temperature of internal mold sharply rise, and the air of interior mold cavity expands, and internal mold can be caused to produce upper and lower displacement, when particularly the upper surface of internal mold is closed, the base plate in outstanding ring is offered air-vent and can discharge air in inside cavity and expand and heat.
Illustrate the one of internal mold as the present invention, described internal mold cylindrically, establishes a dividing plate in internal mold, and dividing plate is spirally connected the 3rd threaded rod, and the 3rd threaded rod is vertically arranged; The centre of described casting die offers third through-hole, and the top of the 3rd threaded rod is plugged in third through-hole, the 3rd threaded rod and third through-hole matched in clearance; Described 3rd threaded rod is spirally connected the 3rd top nut and the 3rd lower nut, and the 3rd top nut and the 3rd lower nut lay respectively at above and below third through-hole.As described above, the effect of the 3rd threaded rod connecting partition and casting die is: the first, fixes the mutual alignment of internal mold, external mold, upper end cover further; The second, after casting complete, staff mentions internal mold by lifting casting die.
Illustrate the one of casting die and base plate annexation as the present invention, described casting die is cross, and the quantity of described long threaded rod is four, and the quantity of the first through hole coordinated one to one with four long threaded rods is four.As described above, each branch of cross casting die offers the first through hole, plugs long threaded rod in the first through hole, each long threaded rod is spirally connected the first top nut and the first lower nut.Wherein, the long threaded rod be arranged on base plate can be positioned at the periphery of external mold, also the inner chamber of internal mold can be arranged in, also the periphery of external mold can be positioned at by the long threaded rod of part, the long threaded rod of part is arranged in the inner chamber of internal mold, preferred as one, three long threaded rods in four long threaded rods are positioned at the periphery of external mold, one in the four long threaded rods inner chamber being arranged in internal mold.
Illustrate the one of casting die and base plate annexation as the present invention, the bottom of described long threaded rod is screwed onto on base plate.The long threaded rod be screwed onto on base plate facilitates dismounting and the restructuring of epoxy resin cast mould.
Illustrate the one of casting die and upper end cover annexation as the present invention, described casting die is cross, and the quantity of described short thread bar is four, and the quantity of the second through hole coordinated one to one with four short thread bars is four.As described above, each branch of cross casting die offers the second through hole, plugs short thread bar in the second through hole, each short thread bar is spirally connected the second top nut and the second lower nut.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is a kind of structural representation pouring into a mould adjustable for height epoxy resin cast mould of the present invention;
Fig. 2 is the structural representation observing the adjustable for height epoxy resin cast mould gained of described cast in Fig. 1 from left front;
Fig. 3 in Fig. 1 from the structural representation pouring into a mould adjustable for height epoxy resin cast mould gained described in top view;
Fig. 4 is the structural representation of external mold 40 in Fig. 1;
Fig. 5 is the structural representation of internal mold 20 in Fig. 1;
Fig. 6 is the structural representation of casting die 50 in Fig. 1;
Fig. 7 is the structural representation of upper end cover 30 in Fig. 3;
Fig. 8 is the structural representation of base plate 10 in Fig. 1.
Symbol description in figure:
10, base plate; 101, air-vent; 11, outstanding ring;
20, internal mold; 21, dividing plate;
30, upper end cover; 301, sprue gate;
40, external mold;
50, casting die; 501, the first through hole; 502, the second through hole; 503, third through-hole;
60, long threaded rod; 61, the first top nut; 62, the first lower nut;
70, short thread bar; 71, the second top nut;
80, the 3rd threaded rod; 81, the 3rd top nut.
Detailed description of the invention:
Composition graphs 1 to Fig. 3, the adjustable for height epoxy resin cast mould of a kind of cast, comprise horizontally disposed base plate 10, be vertically arranged on internal mold 20 on base plate, be set on internal mold lateral wall and can along the upper end cover 30 of internal mold lateral wall lifting, be set in internal mold periphery external mold 40, be positioned at casting die 50 directly over external mold and internal mold.
Composition graphs 3, Fig. 7, described upper end cover, between internal mold and external mold, described upper end cover is offered sprue gate 301.
Composition graphs 1 to Fig. 3, Fig. 6, Fig. 7, described base plate is installed long threaded rod 60, long threaded rod is vertically arranged, and the first through hole 501 offered by described casting die, and the top of long threaded rod is plugged in the first through hole, and long threaded rod coordinates with the first via clearance; Described long threaded rod is spirally connected the first top nut 61 and the first lower nut 62, first top nut and the first lower nut lays respectively at above and below the first through hole; Described upper end cover is spirally connected short thread bar 70, and short thread bar is vertically arranged, and the second through hole 502 offered by described casting die, and the top of short thread bar is plugged in the second through hole, and short thread bar coordinates with the second via clearance; Described short thread bar is spirally connected the second top nut 71 and the second lower nut, and the second top nut and the second lower nut lay respectively at above and below the second through hole.
As Fig. 8, described base plate 10 is provided with the outstanding ring 11 raised up, and the base plate in described outstanding ring offers air-vent 101, and described internal mold 20 is set on outstanding ring.
Composition graphs 1, Fig. 5, Fig. 6, described internal mold 20 cylindrically, establishes a dividing plate 21 in internal mold, the 3rd threaded rod the 80, three threaded rod that dividing plate is spirally connected vertically is arranged; The centre of described casting die 50 offers third through-hole 503, and the top of the 3rd threaded rod is plugged in third through-hole, the 3rd threaded rod and third through-hole matched in clearance; Described 3rd threaded rod is spirally connected the 3rd top nut 81 and the 3rd lower nut, and the 3rd top nut and the 3rd lower nut lay respectively at above and below third through-hole.
Composition graphs 1 to Fig. 3, Fig. 6, described casting die 50 is in cross, and the quantity of described long threaded rod 60 is four, and the quantity of the first through hole 501 coordinated one to one with four long threaded rods is four.Described long threaded rod 60 is positioned at the periphery of external mold 40.The quantity of described short thread bar 70 is four, and the quantity of the second through hole 502 coordinated one to one with four short thread bars is four.
Composition graphs 1, Fig. 8, the bottom of described long threaded rod 60 is screwed onto on base plate 10.
In actual production, the workflow of the adjustable for height epoxy resin cast mould of cast of the present invention is as follows:
First, staff's turn is positioned at the second top nut 71 above casting die 50, second top nut moves up or down along short thread bar 70, because short thread bar and the second through hole 502 are matched in clearance, short thread bar declines along the second through hole or rises, short thread bar drives upper end cover 30 decline along internal mold 20 lateral surface or rise, upper end cover decline or when rising to precalculated position, turn is positioned at the second lower nut below casting die 50, the position of fixing short thread bar 70 moves up and down to limit it, so namely fixes the relative position of upper end cover 30 and casting die 50.
Second, staff's turn is positioned at the first top nut 61 above casting die 50, first top nut moves up or down along long threaded rod 60, because long threaded rod and the first through hole 501 are matched in clearance, casting die 50 declines along long threaded rod or rises, casting die declines or when rising to precalculated position, turn is positioned at the first lower nut 62 below casting die, with the relative position of fixing casting die 50 with base plate 10.
3rd, after cast terminates, staff is by unloading single short thread bar 70 to remove on it epoxy resin of attachment with under type: the second top nut 71 on staff's turn short thread bar 70, and the second top nut is departed from from the top of short thread bar and short thread bar; Afterwards, the first top nut 61, first top nut on the long threaded rod 60 of staff's turn is risen along long threaded rod; Afterwards, staff lifts casting die 50, and the second through hole 502 of casting die is departed from short thread bar 70; Afterwards, staff rotates short thread bar, and make short thread bar depart from upper end cover 30, so, staff can take off short thread bar 70 by root, and clears up it; After cleaning terminates, short thread bar 70 is screw-coupled on upper end cover 30 by staff.
Above content is only better embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (9)
1. pour into a mould an adjustable for height epoxy resin cast mould, comprise horizontally disposed base plate (10), be vertically arranged on internal mold (20) on base plate, be set on internal mold lateral wall and can along the upper end cover (30) of internal mold lateral wall lifting, be set in internal mold periphery external mold (40), be positioned at casting die (50) directly over external mold and internal mold; Described upper end cover, between internal mold and external mold, described upper end cover is offered sprue gate (301); It is characterized in that:
Described base plate is installed long threaded rod (60), long threaded rod is vertically arranged, and the first through hole (501) offered by described casting die, and the top of long threaded rod is plugged in the first through hole, and long threaded rod coordinates with the first via clearance; Described long threaded rod is spirally connected the first top nut (61) and the first lower nut (62), and the first top nut and the first lower nut lay respectively at above and below the first through hole;
Described upper end cover is spirally connected short thread bar (70), and short thread bar is vertically arranged, and the second through hole (502) offered by described casting die, and the top of short thread bar is plugged in the second through hole, and short thread bar coordinates with the second via clearance; Described short thread bar is spirally connected the second top nut (71) and the second lower nut, and the second top nut and the second lower nut lay respectively at above and below the second through hole.
2. the adjustable for height epoxy resin cast mould of a kind of cast as claimed in claim 1, it is characterized in that: described base plate (10) is provided with the outstanding ring (11) raised up, base plate in described outstanding ring is offered air-vent (101), described internal mold (20) is set on outstanding ring.
3. the adjustable for height epoxy resin cast mould of a kind of cast as claimed in claim 1, it is characterized in that: described internal mold (20) cylindrically, establish a dividing plate (21) in internal mold, dividing plate is spirally connected the 3rd threaded rod (80), and the 3rd threaded rod is vertically arranged; The centre of described casting die (50) offers third through-hole (503), and the top of the 3rd threaded rod is plugged in third through-hole, the 3rd threaded rod and third through-hole matched in clearance; Described 3rd threaded rod is spirally connected the 3rd top nut (81) and the 3rd lower nut, and the 3rd top nut and the 3rd lower nut lay respectively at above and below third through-hole.
4. the adjustable for height epoxy resin cast mould of a kind of cast as claimed in claim 1, it is characterized in that: described casting die (50) is in cross, the quantity of described long threaded rod (60) is four, and the quantity of the first through hole (501) coordinated one to one with four long threaded rods is four.
5. the adjustable for height epoxy resin cast mould of a kind of cast as claimed in claim 4, is characterized in that: described long threaded rod (60) is positioned at the periphery of external mold (40).
6. the adjustable for height epoxy resin cast mould of a kind of cast as claimed in claim 4, is characterized in that: described long threaded rod (60) is arranged in internal mold (20).
7. the adjustable for height epoxy resin cast mould of a kind of cast as claimed in claim 4, it is characterized in that: three long threaded rods in four long threaded rods (60) are positioned at the periphery of external mold (40), one in four long threaded rods is arranged in internal mold (20).
8. the adjustable for height epoxy resin cast mould of a kind of cast as claimed in claim 1, is characterized in that: the bottom of described long threaded rod (60) is screwed onto on base plate (10).
9. the adjustable for height epoxy resin cast mould of a kind of cast as claimed in claim 1, it is characterized in that: described casting die (50) is in cross, the quantity of described short thread bar (70) is four, and the quantity of the second through hole (502) coordinated one to one with four short thread bars is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779117.9A CN105345976A (en) | 2015-11-15 | 2015-11-15 | Epoxy pouring die with adjustable pouring height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779117.9A CN105345976A (en) | 2015-11-15 | 2015-11-15 | Epoxy pouring die with adjustable pouring height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105345976A true CN105345976A (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510779117.9A Pending CN105345976A (en) | 2015-11-15 | 2015-11-15 | Epoxy pouring die with adjustable pouring height |
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| CN (1) | CN105345976A (en) |
Cited By (4)
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| CN106128749A (en) * | 2016-08-03 | 2016-11-16 | 广州中车骏发电气有限公司 | Coil die structure |
| CN108987107A (en) * | 2018-07-02 | 2018-12-11 | 武汉市华兴特种变压器制造有限公司 | Ignition transformer coil pouring mould |
| CN109940795A (en) * | 2019-03-21 | 2019-06-28 | 上海三原电缆附件有限公司 | The automatic removable mold device of the internal model of cable intermediate joint rubber parts |
| CN110900920A (en) * | 2019-11-21 | 2020-03-24 | 吉林大学 | Proton and heavy particle intensity modulation compensator mould and use method thereof |
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| CN106128749B (en) * | 2016-08-03 | 2018-04-20 | 广州中车骏发电气有限公司 | Coil die structure |
| CN108987107A (en) * | 2018-07-02 | 2018-12-11 | 武汉市华兴特种变压器制造有限公司 | Ignition transformer coil pouring mould |
| CN109940795A (en) * | 2019-03-21 | 2019-06-28 | 上海三原电缆附件有限公司 | The automatic removable mold device of the internal model of cable intermediate joint rubber parts |
| CN109940795B (en) * | 2019-03-21 | 2023-12-01 | 上海三原电缆附件有限公司 | Automatic internal mold loading and demolding device for cable intermediate joint rubber piece |
| CN110900920A (en) * | 2019-11-21 | 2020-03-24 | 吉林大学 | Proton and heavy particle intensity modulation compensator mould and use method thereof |
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